US Bridges

High School Lane over Stony Brook

Fair

Fairfield County, Connecticut · Over Stony Brook · Structure no. 04993

Built
1958
67 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
2,217
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

High School Lane over Stony Brook is a concrete slab carrying High School Lane over Stony Brook in Fairfield County, Connecticut. It was built in 1958, so it is 67 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,217 vehicles a day, roughly 4% of them trucks, projected to reach 3,294 by 2043. The structure is 27 ft (8.2 m) long and 34 ft wide.

CarriesHigh School Lane
CrossesStony Brook
LocationOver Stony Brook
RouteCity Street 0
Coordinates41.08369, -73.48759
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width34 ft (10.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,217 (2023)
Projected traffic3,294 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was High School Lane over Stony Brook built?

It was built in 1958, making it 67 years old in 2025.

What condition is High School Lane over Stony Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does High School Lane over Stony Brook carry?

About 2,217 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is High School Lane over Stony Brook?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 34 ft wide.

Who owns High School Lane over Stony Brook?

It is owned by the Town or Township Highway Agency.